Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-858 A Shell Knob MO SHKNMOXADS0  9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 0 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 1 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 2 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 3 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 5 Shell Knob MO   145J TERRA NOVA TELECOM INC. 522   2025-07-12   
417-858 6 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 8 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      
417-858 9 Shell Knob MO   9787 BRIGHTSPEED OF MISSOURI, LLC 522      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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